| Agency | Estate Matters | Contact Details |
|---|---|---|
 Essential Maintenance Service Unit (EMSU) | Defects at common areas (corridor lightings, void decks, staircases, etc) after office hours Lift breakdowns/defects after office hours |  1800-241-7711 (24 hours) |
 Housing and Development Board (HDB) | Internal repairs within residential units Lease and tenancy matters (sale/resale/sub-letting) Housing finance matters Provision of carpark lots Season parking Renovation permits Keeping of pets Noise from neighbouring units Unauthorised parking at loading/unloading bays, service roads within HDB estate Upgrading programmes (HIP/LUP) | Yishun HDB Branch 934 Yishun Central 1,#03-51, Singapore 760934 1800-225-5432 |
 SP Group  Public Utilities Board (PUB)  City Energy | Electricity Supply Interruption (SP Group) Water Supply Interruption (PUB) Gas Supply Interruption/Suspected Gas Leak (City Energy) | 1800-778-8888 (24 hours) (SP Group) 1800-2255-782 (24 hours)(PUB) 1800-752-1800 (24 hours)(City Energy) +65 6752 1800 (Calling from overseas)(City Energy) |
 Community Mediation Centre | Mediation Service for Neighbour Disputes: 1. Noise Nuisance 2. Obstruction of Common Corridor 3. Littering | 1800-2255-529 45 Maxwell Road #07-11 The URA Centre (East Wing) Singapore 069110 |
 Municipal Services Office (MSO) | Booking of facilities in HDB estates Parks and Greenery Cleanliness Roads and Footpaths Water Supply and Drainage Issues Animal-related Issues Pest-related Issues Participate in surveys Receive timely alerts Get weather, air quality and dengue updates | Download the OneService app:  9821 9004 (WhatsApp) OneServiceSGBot (Telegram) |
 Singapore Police Force (SPF) | Crime, theft, vandalism Suspicious characters loitering around Noise disturbance in public areas | Yishun NPC (24 hours) 31 Yishun Central Singapore 768827 1800-852-9999 |
 National Environmental Agency (NEA) | Illegal Hawking Air/noise/water pollution Recycling programme Littering/high-rise littering Smoking at prohibited areas (lifts/void decks) Mosquito breeding | 6225 5632 |
| Division of Public Cleanliness | Cleaning of public areas | 6555 5632 |
 Land Transport Authority (LTA) | Pedestrian crossings/overhead bridges/underpasses Road maintenance Traffic lights Street lights/lampposts Requests for bus services/bus stops | 1800-225-5582 |
| Parking Enforcement | Parking offences on public roads, and in HDB and URA carparks | 1800-338-6622 |
 National Parks Board (NParks) | Parks & park connector network Trees, shrubbery along the main roads Crows and koels related issues | 1800-471-7300 |
 Animal and Veterinary Services (AVS) | Animal health and animal-related issues | 1800-476-1600 |
Residents can refer to Handyman Services for our recommended contractors for sanitary, electrical and building matters. Arrangements made between you and the contractors are considered private.
Alternatively, you may refer to other useful contacts here.